Conservation of oxygen and hydrogen seasonal isotopic signals in meteoric precipitation in groundwater: An experimental tank study of the effects of land cover in a summer monsoon climate

2020 ◽  
Vol 284 ◽  
pp. 254-272 ◽  
Author(s):  
Yundi Hu ◽  
Zaihua Liu ◽  
Derek Ford ◽  
Min Zhao ◽  
Qian Bao ◽  
...  
Keyword(s):  
Land Cover ◽  
Summer Monsoon ◽  
Monsoon Climate ◽  
Experimental Tank ◽  
Meteoric Precipitation

Drivers of the Indian summer monsoon climate variability

2021 ◽  
pp. 1-28
Author(s):  
Jasti S. Chowdary ◽  
Shang-Ping Xie ◽  
Ravi S. Nanjundiah
Keyword(s):  
Climate Variability ◽  
Summer Monsoon ◽  
Indian Summer Monsoon ◽  
Monsoon Climate

Episode of Strengthened Summer Monsoon Climate of Younger Dryas Age on the Loess Plateau of Central China

1993 ◽  
Vol 39 (1) ◽  
pp. 45-54 ◽  
Author(s):  
An Zhisheng ◽  
Stephen C. Porter ◽  
Zhou Weijian ◽  
Lu Yanchou ◽  
Douglas J. Donahue ◽  
...  
Keyword(s):  
Summer Monsoon ◽  
General Circulation ◽  
Younger Dryas ◽  
Circulation Model ◽  
Late Glacial ◽  
Central China ◽  
Monsoon Circulation ◽  
The Tibetan Plateau ◽  
Monsoon Climate ◽  
Younger Dryas Event

AbstractThe Baxie loess section, just east of the Tibetan Plateau, contains evidence showing that the Asian monsoon climate experienced an abrupt reversal near the end of the last glacial age. Rapid deposition of dust under cool, dry full-glacial conditions gave way to an interval of soil development and reduced dust influx attributed to a strengthening of the warm, moist summer monsoon. A subsequent abrupt increase in dust deposition, a response to a weakening of the summer monsoon, was later followed by renewed soil formation as summer monsoon circulation again intensified during the early Holocene. By one interpretation, the thin upper loess is a manifestation of the European Younger Dryas oscillation; however, in this case the available 14C ages require either that (1) onset of loess deposition lagged the beginning of the Younger Dryas event in Europe by as much as 2000 calibrated 14C years or (2) all the 14C ages are too young, possibly due to contamination. Alternatively, the late-glacial paleosol, the top of which is synchronous with the abrupt end of the late-glacial δ18O anomaly in the Dye 3 Greenland ice core, records the Younger Dryas event. Such an interpretation is consistent with general circulation model simulations of Younger Dryas climate that show strong seasonality and a strengthened summer monsoon, and with marine cores from the western Pacific Ocean that contain evidence of pronounced cooling of surface waters during Younger Dryas time.

scholarly journals Potential CO2 forcing and Asian summer monsoon precipitation trends during the last 2,000 years

2021 ◽  
Vol 13 (1) ◽  
pp. 1552-1560
Author(s):  
Weihe Ren ◽  
Quan Li ◽  
Feng Qin ◽  
Guitian Yi
Keyword(s):  
Summer Monsoon ◽  
Asian Summer Monsoon ◽  
Dominant Factor ◽  
Monsoon Precipitation ◽  
Monsoon Climate ◽  
Solar Insolation ◽  
Physical Mechanisms ◽  
Humid Condition ◽  
Climate Reconstructions ◽  
Asian Summer

Abstract Holocene records for the Asian Summer Monsoon (ASM) indicate that, apart for the last 2,000 years (“2 kyr shift”), solar insolation was the dominant factor controlling the monsoon climate. The aim of this review is to provide a synopsis of climate characteristics over the last 2 kyr, clarifying mechanisms for the diverse trend with Northern Hemisphere Summer Insolation (NHSI) records. Here, we initially review proxy-based climate reconstructions for the last 2 kyr, and then compare them with records from the last five interglacial periods. Finally, we examine potential physical mechanisms responsible for the “2 kyr shift.” Findings from this review indicate that the “2 kyr shift” is a representative pattern of Holocene climate change within the core area of the ASM, and the “2 kyr shift” could be mainly controlled by changes in atmospheric CO2 concentration. In addition, suggestions to address a more humid condition dominating the Asian monsoonal margin zones are offered.

scholarly journals Progress Towards Achieving the Challenge of Indian Summer Monsoon Climate Simulation in a Coupled Ocean-Atmosphere Model

2017 ◽  
Vol 9 (6) ◽  
pp. 2268-2290 ◽  
Author(s):  
Anupam Hazra ◽  
Hemantkumar S. Chaudhari ◽  
Subodh Kumar Saha ◽  
Samir Pokhrel ◽  
B. N. Goswami
Keyword(s):  
Summer Monsoon ◽  
Indian Summer Monsoon ◽  
Climate Simulation ◽  
Monsoon Climate ◽  
Ocean Atmosphere ◽  
Atmosphere Model

Synchronism of Holocene East Asian monsoon variations and North Atlantic drift-ice tracers

2006 ◽  
Vol 65 (3) ◽  
pp. 443-449 ◽  
Author(s):  
Stephen C. Porter ◽  
Zhou Weijian
Keyword(s):  
Summer Monsoon ◽  
North Atlantic ◽  
East Asian Monsoon ◽  
Asian Summer Monsoon ◽  
East Asian ◽  
Central China ◽  
Monsoon Climate ◽  
Eolian Sand ◽  
Close Relationship ◽  
North Atlantic Climate

AbstractEighteen radiocarbon-dated eolian and paleosol profiles within a 1500-km-long belt along the arid to semi-arid transition zone of north-central China record variations in the extent and strength of the East Asian summer monsoon during the Holocene. Dated paleosols and peat layers represent intervals when the zone was dominated by a mild, moist summer monsoon climate that favored pedogenesis and peat accumulation. Brief intervals of enhanced eolian activity that resulted in the deposition of loess and eolian sand were times when strengthened winter monsoon conditions produced a colder, drier climate. The monsoon variations correlate closely with variations in North Atlantic drift-ice tracers that represent episodic advection of drift ice and cold polar surface water southward and eastward into warmer subpolar water. The correspondence of these records over the full span of Holocene time implies a close relationship between North Atlantic climate and the monsoon climate of central China.

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